PLANT DIVERSITY

BIOL 3601 – FALL 2004

JULIE ETTERSON

Bryophytes

Be familiar with figure 18-4. Be able to map the traits we discussed in lecture on to this phylogeny!

What is the big evolutionary advance in this group?

What is the body type of a bryophyte?

What are typical habitats of this group?

Does the term “Bryophyte” have taxonomic meaning?

What phyla does it refer to?

What phylum and class contains the closest relatives to the land plants?

What features the Bryophytes share with Clorophyceae?

What features do the Bryophytes share with Charophyceae?

What are plasmodesmata and why are they important?

What features do the Bryophytes share with Coleochaete and Charales?

What other features do Bryophytes share with certain Coleochaetes?

What is meant by “EMBRYOPHYTES”? Why is this such an important evolutionary advance?

What is ANTHERIDIUM?

What is ARCHEGONIA?

In what phylogenetic group are placenta-like transfer cells this first evident?

What substance causes spores to resist decay? Do you only find it in spores?

Know the basic liverwort and hornwort body.

How are they unlike vascular plants?

Know the lifecycles.

What is lignin and why is it important? Go to page 36 chapter two

What are stomata? Who has them?

Describe mechanisms of sexual and asexual reproduction.

Know the points discussed for these groups and any life cycles.

LIVERWORTS - HEPATOPHYTA

HORNWORTS – ANTHOCEROPHYTA

MOSSES - BRYOPHYTA